Apple considering HD radio on its portable devices
A new Apple patent (number 20100150276) at the US Patent & Tradmark Office shows that the company may be planning HD radio features in upcoming iPhones, iPads and iPod. The patent is for digital radio tagging using an RF tuner accessory.
http://www.macsimumnews.com/index.php/archive/apple_considering_hd_radio_on_its_portable_devices/